longley {alr3}R Documentation

Longley data

Description

Longley (1967) data to demonstrate inadequacies of regression computer programs then available.

Format

This data frame contains the following columns of national US data:

GNP
GNP(millions of dollars)
Def
GNP deflator (percent)
Unemp
Unemployed (thousands)
Mil
Armed force size (thousands)
Pop
Population (thousands)
Year
Year
Emp
Number employed (thousands)

Source

Longley, J. (1967). An appraisal of least squares programs for the electronic computer from the point of view of the user. J. Amer. Statist. Assoc., 62, 819-41.

References

Weisberg, S. (2005). Applied Linear Regression, 3rd edition. New York: Wiley, Problem 4.10.

Examples

data(longley)

[Package alr3 version 1.1.7 Index]